| 摘要 |
This reactor containment structure is provided with a reactor containment vessel (10), a reactor containment chamber (11) which is provided in the reactor containment vessel (10) and contains a nuclear power reactor, a pool (12) which is provided in the reactor containment vessel (10) below the reactor containment chamber (11) adjacently and holds an emergency cooling liquid (W), a plurality of opening parts (11b, 11c) allowing the emergency cooling liquid (W) to flow from the reactor containment chamber (11) into the pool (12), a sump (13) which is provided below the pool (12), a debris filtering body (14) which is installed in the sump (13) to filter debris (D) contained in the emergency cooling liquid (W), a pumping device (20) which sucks the emergency cooling liquid (W) from the sump (13) and discharges the emergency cooling liquid (W) into the reactor containment chamber (11), and a weir (30), which is provided to at least the opening part (11b) closest to the sump (13) among the plurality of opening parts (11b, 11c), thereby reducing the flow rate of the emergency cooling liquid (W) which flows from the reactor containment chamber (11) into the pool (12).
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